氢氦混合物的两相共存
Two phase coexistence for the hydrogen-helium mixture
摘要：
我们用我们新构造的量子吉布斯系综蒙特卡罗算法对氢氦混合物的两相共存进行了计算机实验。我们的结果与C. M. Sneed，W. B.斯特里特河E. Sonntag和G. J·范·维伦我们的结果和实验结果之间的差异是在所有情况下小于15%，相对于实验，减少到小于5%，在低氦浓度阶段。在低温高压下，汽液相之间的重力反转时，量子效应变得相关。在极低的温度和压力下，第一个表现出超流性的成分是气相中的氦。
英文摘要：
We use our newly constructed quantum Gibbs ensemble Monte Carlo algorithm to perform computer experiments for the two phase coexistence of a hydrogen-helium mixture. Our results are in quantitative agreement with the experimental results of C. M. Sneed, W. B. Streett, R. E. Sonntag, and G. J. Van Wylen. The difference between our results and the experimental ones is in all cases less than 15% relative to the experiment, reducing to less than 5% in the low helium concentration phase. At the gravitational inversion between the vapor and the liquid phase, at low temperatures and high pressures, the quantum effects become relevant. At extremely low temperature and pressure the first component to show superfluidity is the helium in the vapor phase.
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